READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 42412.007 576.312 -669.816 1.049733e-02 4.256463e-03 -3.352412e-03 1.000000 6.461666e-05 1.444873e-05 1.651852 8 0.080521 1246.128100 439.849817 3.131277